Write the sql statement that returns a list of active customers by full address. Sorted by country, city and last name. (Without using the wildcard (*) for the fields.) How many active customers do we have

Hypothesis: volumes of both figures are equal.the volume of  figure 1 is: .the volume of figure 2 is: .since , you can conclude that and . so, .volumes of figures are equal only when an angle in the basis is right (then figures will be the same), in another cases volume of figure 1 is less than volume of figure 2.the hypothesis was not correct in all cases.